- 1st Iowa Infantry
- 2nd Iowa Infantry
- 3rd Iowa Infantry
- History and Complete Roster (hosted at the Iowa GenWeb Archives)
- 5th Iowa Infantry
- History and Complete Roster (hosted at the Iowa GenWeb Archives)
- 6th Iowa Infantry
- 7th Iowa Infantry
- History (hosted at the Iowa GenWeb Archives)
- 9th Iowa Infantry
- History (hosted at the Iowa GenWeb Archives)
- 10th Iowa Infantry
- 11th Iowa Infantry
- Crocker’s Iowa Brigade (hosted at Iowa-Counties)
- Letter from J. F. Nixon of the 11th Iowa Infantry Company G (hosted at the Iowa GenWeb Archives)
- 13th Iowa Infantry (hosted at Iowa-Counties)
- 14th Iowa Infantry (hosted at Iowa-Counties)
- Lee County, Iowa Soldiers in the Fourteen (14th) Infantry
- 15th Iowa Infantry
- Roster A-K (hosted at the Iowa GenWeb Archives)
- Roster L-Z (hosted at the Iowa GenWeb Archives)
- 15th Iowa Infantry History (hosted at the Iowa GenWeb Archives)
- Lee County, Iowa Soldiers in the Fifteenth (15th) Infantry
- 16th Iowa Infantry
- History and Complete Roster (hosted at the Iowa GenWeb Archives)
- 24th Iowa Infantry
- Complete Roster (hosted at USGenNet)
- Stations of the 24th, (hosted at IA Civil War Heritage Foundation)
- Company F (hosted at the Iowa GenWeb Archives)
- 26th Iowa Infantry
- Memorial (hosted at the Iowa GenWeb Archives)
- 30th Iowa Infantry
- Roster of Co. F transcription in progress (hosted at the Iowa GenWeb Archives)
- 34th Iowa Infantry
- 36th Iowa Infantry
- History and Roster (hosted at IAGenWeb )
- 37th Iowa Infantry – ‘Greybeard Regiment’
- History and Complete Roster (hosted at IAGenWeb Project)
- 48th Battalion Iowa Infantry – 100 Days
- Roster transcription (hosted at the Iowa GenWeb Archives)
- 1st Iowa Colored Infantry; 60th US Regiment.
- History and Complete Roster (hosted at the Iowa GenWeb Archives)
- 1st Iowa Cavalry
- Clayton County Rangers (hosted at Clayton County IAGenWeb )
- 3rd Iowa Cavalry
- 7th Iowa Cavalry
- History and Complete Roster (hosted at the Iowa GenWeb Archives)
- Sioux City Cavalry
- History and Roster (hosted at IAGenWeb)
- 1st Battery Artillery – Griffith’s
- Partial roster transcription (hosted at the Iowa GenWeb Archives)
- 2nd Battery Artillery – Spoor’s
- Partial roster transcription (hosted at the Iowa GenWeb Archives)
- 3rd Iowa Light Artillery – Wright’s
- History (hosted at Linn County Iowa GenWeb Archives)
- Partial roster transcription (hosted at the Iowa GenWeb Archives)
- 4th Battery Artillery – Goode’s